Stanley Siu Ka-wing started in film as an assistant director on director Cheng Kang’s The Twelve Medallions (1970). Since then, he had worked with Cheng in many films, including the famed martial arts works The 14 Amazons (1972), Trilogy of Swordsmanship (1972) and Flying Guillotine 2 (1978). Years later, he also served as assistant director on Marco Mak The Blood Rules (2000).

For his directorial debut, Siu made the action film Deadly Chase (1973), followed by several works in different genres. He then codirected The Discharged (1977) with star Alan Tang, beginning his long collaboration with the actor-producer, on such thrillers as Law Don (1979), Don’t Kill Me, Brother! (1981) and New York Chinatown (1982). Between 1986 and 1989, he directed Why, Why, Tell Me Why !! (1986), Private Life (1987) and Vampire Buster (1989).